Express (Distributed operating systems), v8.0 > Secure applications and their environment > Authenticate users > Select a registry or repository > Manage realms in a federated repository > Virtual member manager > Troubleshoot and Support > Support issues and limitations
Authentication issues and limitations
This section contains issues and limitations related to authentication and login.
- Multiple entities with the same principal name
Follow these steps to troubleshoot when the error, “multiple principals were found” is displayed during login.- Unable to authenticate when a repository is down
If one or more configured repository is down, you are unable to authenticate or stop WAS.- Unable to log in
Follow these steps to troubleshoot when you are unable to log in.- Unable to log in with a valid database repository login ID
Follow these steps to troubleshoot when you are unable to log in with a valid login ID that exists in the database repository.- Unable to log in with a valid LDAP repository login ID
Follow these steps to troubleshoot when you are unable to log in with a valid login ID that exists in the LDAP repository.
Parent topic: Support issues and limitations